Reproduction steps:
1. Open the attached project “Shader_ERROR”
2. In the Project window select “Assets/New Shader Graph.shadergraph”
3. In the inspector click on “Compile and show code” button
4. Observe the Console window
Expected result: No errors
Actual result: Console window is populated with “Instructions should not read uninitialized value” errors
Reproducible with: 2022.1.0a12. 2022.2.6f1, 2023.1.0b5, 2023.2.0a2
Not reproducible with: 2020.3.45f1, 2021.3.18f1, 2022.1.0a11
Fixed in: 2023.2.0a3
Reproducible on: Windows 10